/*
 * Copyright 2010 Christoph Widulle (christoph.widulle@googlemail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */



package com.android1.amarena2d.actions.instant;

import com.android1.amarena2d.actions.base.FiniteTimeAction;
import com.android1.amarena2d.nodes.behavior.ActionTarget;

public class Alpha extends InstantAction {

    protected float alpha;

    public static Alpha $(float alpha) {
        return new Alpha(alpha);
    }

    public Alpha(float alpha) {
        this.alpha = alpha;
    }


    @Override
    public void start(ActionTarget target) {
        super.start(target);
        target.setAlpha(alpha);
    }


    @Override
    public boolean isDone() {
        return true;
    }

    @Override
    public FiniteTimeAction reverse() {
        return Alpha.$(1 - alpha);
    }

    @Override
    public Alpha copy() {
        return Alpha.$(alpha);
    }
}